<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<script>
 function sum_rest(_name,...numbers)
  {
  
  let s = 0;
  for(let i=0; i < numbers.length ; ++i)
  {
	s += numbers[i];
	}
	console.log(_name+s);
	return s;
}
sum_rest("1+2=",1,2);
	sum_rest("5+9+7=",5,9,7);
</script>
<body>
</body>
</html>
